传(Chuan) 统(Tong)的(De)供(Gong)水(Shui)方(Fang)式(Shi)普(Pu)遍(Bian)不(Bu)同(Tong)程(Cheng)度(Du)的(De)存(Cun)在(Zai)浪(Lang)费(Fei)水(Shui)力(Li)、(?)电(Dian)力(Li)资(Zi)源(Yuan)；(?)效(Xiao)率(Lu)低(Di)；(?)可(Ke)靠(Kao)性(Xing)差(Cha)；(?)自(Zi)动(Dong)化(Hua)程(Cheng)度(Du)不(Bu)高(Gao)等(Deng)缺(Que)点(Dian)，(?)严(Yan)重(Zhong)影(Ying)响(Xiang)了(Liao)居(Ju)民(Min)的(De)用(Yong)水(Shui)和(He)工(Gong)业(Ye)系(Xi)统(Tong)中(Zhong)的(De)用(Yong)水(Shui)。(?)目(Mu)前(Qian)的(De)供(Gong)水(Shui)方(Fang)式(Shi) 朝(Chao)向(Xiang)*节(Jie)能(Neng)、(?)自(Zi)动(Dong)可(Ke)靠(Kao)的(De)方(Fang)向(Xiang)发(Fa)展(Zhan)，(?)变(Bian)频(Pin)调(Diao)速(Su)技(Ji)术(Shu)以(Yi)其(Qi)显(Xian)着(Zhuo)的(De)节(Jie)能(Neng)效(Xiao)果(Guo)和(He)稳(Wen)定(Ding)可(Ke)靠(Kao)的(De)控(Kong)制(Zhi)方(Fang)式(Shi)，(?)在(Zai)风(Feng)机(Ji)、(?)水(Shui)泵(Beng)、(?)空(Kong)气(Qi)压(Ya)缩(Suo)机(Ji)、(?)制(Zhi)冷(Leng)压(Ya)缩(Suo)机(Ji)等(Deng)高(Gao)能(Neng)耗(Hao)设(She)备(Bei)上(Shang)广(Guang)泛(Fan)应(Ying) 用(Yong)，(?)特(Te)别(Bie)是(Shi)在(Zai)城(Cheng)乡(Xiang)工(Gong)业(Ye)用(Yong)水(Shui)的(De)各(Ge)级(Ji)加(Jia)压(Ya)系(Xi)统(Tong)，(?)居(Ju)民(Min)生(Sheng)活(Huo)用(Yong)水(Shui)的(De)恒(Heng)压(Ya)供(Gong)水(Shui)系(Xi)统(Tong)中(Zhong)，(?)变(Bian)频(Pin)调(Diao)速(Su)水(Shui)泵(Beng)节(Jie)能(Neng)效(Xiao)果(Guo)尤(You)为(Wei)突(Tu)出(Chu)，(?)其(Qi)优(You)越(Yue)性(Xing)表(Biao)现(Xian)在(Zai)：(?)一(Yi)是(Shi)节(Jie)能(Neng)显(Xian)著(Zhu)；(?)二(?)是(Shi)在(Zai)开(Kai)、(?)停(Ting)机(Ji) 时(Shi)能(Neng)减(Jian)小(Xiao)电(Dian)流(Liu)对(Dui)电(Dian)网(Wang)的(De)冲(Chong)击(Ji)以(Yi)及(Ji)供(Gong)水(Shui)水(Shui)压(Ya)对(Dui)管(Guan)网(Wang)系(Xi)统(Tong)的(De)冲(Chong)击(Ji)；(?)三(San)是(Shi)能(Neng)减(Jian)小(Xiao)水(Shui)泵(Beng)、(?)电(Dian)机(Ji)自(Zi)身(Shen)的(De)机(Ji)械(Xie)冲(Chong)击(Ji)损(Sun)耗(Hao)。(?)

基(Ji) 于(Yu)PLC和(He)变(Bian)频(Pin)技(Ji)术(Shu)的(De)恒(Heng)压(Ya)供(Gong)水(Shui)系(Xi)统(Tong)集(Ji)变(Bian)频(Pin)技(Ji)术(Shu)、(?)电(Dian)气(Qi)技(Ji)术(Shu)、(?)现(Xian)代(Dai)控(Kong)制(Zhi)技(Ji)术(Shu)于(Yu)一(Yi)体(Ti)。(?)采(Cai)用(Yong)该(Gai)系(Xi)统(Tong)进(Jin)行(Xing)供(Gong)水(Shui)可(Ke)以(Yi)提(Ti)高(Gao)供(Gong)水(Shui)系(Xi)统(Tong)的(De)稳(Wen)定(Ding)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)，(?)同(Tong)时(Shi)系(Xi)统(Tong)具(Ju)有(You)良(Liang)好(Hao)的(De) 节(Jie)能(Neng)性(Xing)，(?)这(Zhe)在(Zai)能(Neng)源(Yuan)日(Ri)益(Yi)紧(Jin)缺(Que)的(De)今(Jin)天(Tian)尤(You)为(Wei)重(Zhong)要(Yao)，(?)所(Suo)以(Yi)研(Yan)究(Jiu)设(She)计(Ji)该(Gai)系(Xi)统(Tong)，(?)对(Dui)于(Yu)提(Ti)高(Gao)企(Qi)业(Ye)效(Xiao)率(Lu)以(Yi)及(Ji)人(Ren)民(Min)的(De)生(Sheng)活(Huo)水(Shui)平(Ping)、(?)降(Jiang)低(Di)能(Neng)耗(Hao)等(Deng)方(Fang)面(Mian)具(Ju)有(You)重(Zhong)要(Yao)的(De)现(Xian)实(Shi)意(Yi)义(Yi)。(?)

此(Ci)系(Xi)统(Tong)包(Bao)含(Han)三(San)台(Tai)水(Shui)泵(Beng)电(Dian)机(Ji)，(?)它(Ta)们(Men)组(Zu)成(Cheng)变(Bian)频(Pin)循(Xun)环(Huan)运(Yun)行(Xing)方(Fang)式(Shi)。(?)采(Cai)用(Yong)变(Bian)频(Pin)器(Qi)实(Shi)现(Xian)对(Dui)三(San)相(Xiang)水(Shui)泵(Beng)电(Dian)机(Ji)的(De)软(Ruan)启(Qi)动(Dong)和(He)变(Bian)频(Pin)调(Diao)速(Su)，(?)运(Yun)行(Xing)切(Qie)换(Huan)采(Cai)用(Yong)“(?)先(Xian)启(Qi)先(Xian)停(Ting)”(?)的(De)原(Yuan)则(Ze)。(?)压(Ya)力(Li)传(Chuan)感(Gan)器(Qi)检(Jian)测(Ce)当(Dang)前(Qian)水(Shui)压(Ya)信(Xin)号(Hao)，(?)送(Song)入(Ru)PLC与(Yu)设(She)定(Ding)值(Zhi)比(Bi)较(Jiao)后(Hou)进(Jin)行(Xing)PID运(Yun)算(Suan)，(?)从(Cong)而(?)控(Kong)制(Zhi)变(Bian)频(Pin)器(Qi)的(De)输(Shu)出(Chu)电(Dian)压(Ya)和(He)频(Pin)率(Lu)，(?)进(Jin)而(?)改(Gai)变(Bian)水(Shui)泵(Beng)电(Dian)机(Ji)的(De)转(Zhuan)速(Su)来(Lai)改(Gai)变(Bian)供(Gong)水(Shui)量(Liang)，(?)*终(Zhong)保(Bao)持(Chi)管(Guan)网(Wang)压(Ya)力(Li)稳(Wen)定(Ding)在(Zai)设(She)定(Ding)值(Zhi)附(Fu)近(Jin)。(?)